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JPA的持久性表示描述符中不存在实体

[英]Persistence with JPA says entity is not present in descriptor

 原文  2016-04-26 14:31:46  8   1    java/ eclipse/ postgresql/ jpa/ persistence

问题描述

我们在尝试使用数据库实现阶梯游戏应用程序时遇到了问题。 我们有一个名为“ Spill”的实体，该实体与另一个名为“ Brett”的实体具有ManyToOne关系。

但是，当持久性尝试将实体映射到数据库时，似乎找不到它们。 

Exception [EclipseLink-93] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: The table [brett] is not present in this descriptor.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])

Exception [EclipseLink-41] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: A non-read-only mapping must be defined for the sequence number field.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])

它们都完全在persistence.xml文件中，并且程序似乎可以很好地连接到数据库。 我们已经明确给出了名称和架构名称： 

@Entity
@Table(name="spill",schema = "stigespill")

在两个班上。

洒： 

@Entity
@Table(name="spill",schema = "stigespill")
public class Spill {

  // FELTVARIABLER
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Integer spillid;

  private Integer ferdig;
  private Timestamp dato;

  @OneToMany(mappedBy = "spill" , cascade = CascadeType.ALL)
  private List<Spiller> spillere; // TODO Skiftet fra Queue til ArrayList

  @OneToMany(mappedBy = "spill" , cascade = CascadeType.ALL)
  private List<Trekk> trekklog;

  @ManyToOne( cascade = CascadeType.ALL)
  @JoinColumn(name = "brett", referencedColumnName="brettid", insertable = false, updatable = false)
  private Brett brett;
}

布雷特： 

@Entity
@Table(name = "brett", schema = "stigespill")
public class Brett {

  // FELTVARIABLER
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Integer brettid;

  @OneToMany(mappedBy = "brett", cascade = CascadeType.ALL)
  private List<Rute> ruter;
}

我们一直在搜索网络，并试图在最近的几个小时内解决这个问题，但是找不到解决方案。

完整的控制台日志： 

[EL Info]: server: 2016-04-26 15:58:15.551--ServerSession(1348949648)--Detected server platform: org.eclipse.persistence.platform.server.NoServerPlatform.
[EL Warning]: metadata: 2016-04-26 15:58:15.876--ServerSession(1348949648)--The reference column name [spillid] mapped on the element [field spill] does not correspond to a valid id or basic field/column on the mapping reference. Will use referenced column name as provided.
[EL Info]: server: 2016-04-26 15:58:15.951--ServerSession(1348949648)--Detected server platform: org.eclipse.persistence.platform.server.NoServerPlatform.
[EL Info]: 2016-04-26 15:58:16.63--ServerSession(1348949648)--EclipseLink, version: Eclipse Persistence Services - 2.6.0.v20150309-bf26070
[EL Severe]: 2016-04-26 15:58:17.084--ServerSession(1348949648)--Exception [EclipseLink-0] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.IntegrityException



Descriptor Exceptions:



Exception [EclipseLink-93] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: The table [brett] is not present in this descriptor.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Exception [EclipseLink-41] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: A non-read-only mapping must be defined for the sequence number field.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Runtime Exceptions:



[EL Info]: connection: 2016-04-26 15:58:17.087--ServerSession(1348949648)--/file:/Users/../Stigespill/bin/_eclipselink logout successful
[EL Severe]: ejb: 2016-04-26 15:58:17.091--ServerSession(1348949648)--Exception [EclipseLink-0] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.IntegrityException



Descriptor Exceptions:



Exception [EclipseLink-93] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: The table [brett] is not present in this descriptor.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Exception [EclipseLink-41] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: A non-read-only mapping must be defined for the sequence number field.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Runtime Exceptions:



Exception in thread "main" javax.persistence.PersistenceException: Exception [EclipseLink-28019] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Deployment of PersistenceUnit [eclipselink] failed. Close all factories for this PersistenceUnit.
Internal Exception: Exception [EclipseLink-0] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.IntegrityException



Descriptor Exceptions:



Exception [EclipseLink-93] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: The table [brett] is not present in this descriptor.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Exception [EclipseLink-41] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: A non-read-only mapping must be defined for the sequence number field.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Runtime Exceptions:



at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.createDeployFailedPersistenceException(EntityManagerSetupImpl.java:866)
at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:806)
at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getAbstractSession(EntityManagerFactoryDelegate.java:205)
at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl(EntityManagerFactoryDelegate.java:305)
at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:337)
at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:303)
at no.hib.dat101.database.Emh.slettAlt(Emh.java:137)
at no.hib.dat101.main.Main_Tekst.main(Main_Tekst.java:12)




Caused by: Exception [EclipseLink-28019] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Deployment of PersistenceUnit [eclipselink] failed. Close all factories for this PersistenceUnit.
Internal Exception: Exception [EclipseLink-0] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.IntegrityException



Descriptor Exceptions:



Exception [EclipseLink-93] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: The table [brett] is not present in this descriptor.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Exception [EclipseLink-41] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: A non-read-only mapping must be defined for the sequence number field.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Runtime Exceptions:



at org.eclipse.persistence.exceptions.EntityManagerSetupException.deployFailed(EntityManagerSetupException.java:239)
... 8 more




Caused by: Exception [EclipseLink-0] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.IntegrityException



Descriptor Exceptions:



Exception [EclipseLink-93] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: The table [brett] is not present in this descriptor.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Exception [EclipseLink-41] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: A non-read-only mapping must be defined for the sequence number field.
Descriptor: RelationalDescriptor(no.hib.dat101.entities.Spill --> [DatabaseTable(stigespill.spill)])



Runtime Exceptions:


at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:701)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:637)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:568)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.postConnectDatasource(DatabaseSessionImpl.java:804)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:748)
at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:253)
at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:728)
... 6 more<code>

1 个解决方案

解决方案1
 0  2016-04-28 14:21:52

在一种情况下，为了使@Table正常工作，我还必须添加catalog 。 另外，我不得不在@Entity命名该表。 尝试： 

@Entity(name="spill")
@Table(name="spill",schema = "stigespill", catalog="public")

等等

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